A fifth wheel hitch assembly is provided that includes a mounting bracket adapted to support a fifth wheel hitch plate and having a substantially vertical surface, a vehicle frame rail having a substantially horizontal portion and a substantially vertical portion; and a support bracket having a first portion secured to the substantially vertical portion of the vehicle frame rail and a second portion secured to the substantially vertical surface of the mounting bracket, and having a plurality of mounting positions spaced longitudinally along the support bracket from one another, wherein the mounting bracket is releasably secured to less than a total number of the mounting positions.